/* Minimalny styl — czytelny na telefonie operatora. */
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, sans-serif;
       background: #f4f5f7; color: #1a1a2e; font-size: 16px; }
main { max-width: 900px; margin: 0 auto; padding: 12px; }

nav { display: flex; flex-wrap: wrap; gap: 4px; align-items: center;
      background: #1a1a2e; padding: 8px 12px; position: sticky; top: 0; z-index: 5; }
nav a { color: #e8e8f0; text-decoration: none; padding: 8px 10px; border-radius: 6px; }
nav a:hover { background: #33334d; }
nav a.glowny { background: #2563eb; color: #fff; font-weight: 600; }
nav .licznik { background: #dc2626; color: #fff; border-radius: 10px;
               padding: 1px 7px; font-size: 13px; }
nav .wyloguj { margin-left: auto; }
nav .wyloguj button { background: none; border: 1px solid #555; color: #ccc;
                      border-radius: 6px; padding: 6px 10px; cursor: pointer; }

h1 { font-size: 22px; margin: 14px 0 10px; }
h2 { font-size: 18px; margin: 18px 0 8px; }

table { width: 100%; border-collapse: collapse; background: #fff;
        border-radius: 8px; overflow: hidden; font-size: 15px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid #e5e7eb; }
th { background: #eef0f4; font-weight: 600; }
.tabela-przewijana { overflow-x: auto; }

form.karta, .karta { background: #fff; border-radius: 8px; padding: 14px;
                     margin-bottom: 14px; box-shadow: 0 1px 2px rgba(0,0,0,.06); }
label { display: block; font-size: 14px; color: #444; margin: 8px 0 2px; }
input, select, textarea { width: 100%; padding: 10px; border: 1px solid #cbd2dc;
                          border-radius: 6px; font-size: 16px; }
input.krotki { width: auto; }
button, .przycisk { background: #2563eb; color: #fff; border: 0; border-radius: 6px;
         padding: 10px 16px; font-size: 16px; cursor: pointer; }
button.drugorzedny { background: #6b7280; }
button.ostrzezenie { background: #dc2626; }
button.maly { padding: 6px 10px; font-size: 14px; }

.blad { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5;
        border-radius: 8px; padding: 10px 14px; margin: 10px 0; }
.ok { background: #dcfce7; color: #166534; border-radius: 8px; padding: 10px 14px; }

.status { display: inline-block; padding: 2px 10px; border-radius: 10px;
          font-size: 13px; white-space: nowrap; }
.status-utworzone { background: #e5e7eb; }
.status-oplacone { background: #dbeafe; color: #1e40af; }
.status-zafiskalizowane { background: #dcfce7; color: #166534; }
.status-niezgodna_kwota, .status-blad { background: #fee2e2; color: #991b1b; }
.status-anulowane, .status-zwrot { background: #fef3c7; color: #92400e; }
.status-do_wystawienia { background: #e5e7eb; }
.status-wystawiony { background: #dcfce7; color: #166534; }
.status-wyslany, .status-zapisano { background: #dcfce7; color: #166534; }
.status-oczekuje { background: #e5e7eb; }

.wiek-stary { color: #dc2626; font-weight: 700; }
.przyciski-cennika { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }
.przyciski-cennika button { background: #eef2ff; color: #1e40af;
                            border: 1px solid #c7d2fe; }
.suma { font-size: 22px; font-weight: 700; margin: 12px 0; }
.link-platnosci { word-break: break-all; background: #eef2ff; padding: 10px;
                  border-radius: 6px; display: block; margin: 8px 0; }
.filtry { display: flex; flex-wrap: wrap; gap: 8px; align-items: end; }
.filtry > div { flex: 1 1 130px; }
.pozycja-wiersz { display: flex; gap: 6px; margin-bottom: 6px; align-items: center; }
.pozycja-wiersz input { min-width: 0; }
@media (max-width: 640px) {
  th, td { padding: 6px; font-size: 14px; }
  nav a { padding: 6px 8px; font-size: 14px; }
}